This is the 3526th most frequent Chinese word.
椅子
Chair.
The word '椅子' ('chair') is used as the subject of the sentence to refer to a specific piece of furniture.
这张椅子很舒服。
This chair is very comfortable.
Here, '椅子' ('chair') is used as the object of the preposition '上', indicating the location where the action happens.
她喜欢坐在椅子上读书。
She likes to sit on a chair to read.
The term '椅子' ('chair') is used in plural form, indicating various chairs as items in a countable context.